*{padding:0;margin:0;}
a{text-decoration: none;color: #0C0C0C;}
html{width:100vw;height: 100vh;font-size: 14px; /*给后面的rem用*/}
body{min-width: 360px;background-color:whitesmoke;}
.i-font-color{
    width: 3px;
    height: 20px;
    background-color: #e55b06;
    margin-left: 0.7rem;
}